devnet deploy 3/26/2025

pallets/commitments/src/lib.rs

@@ -120,6 +120,8 @@ pub mod pallet {
         CommitmentSetRateLimitExceeded,
         /// Space Limit Exceeded for the current interval
         SpaceLimitExceeded,
+        /// Indicates that unreserve returned a leftover, which is unexpected.
+        UnexpectedUnreserveLeftover,
     }
 
     #[pallet::type_value]
@@ -266,7 +268,9 @@ pub mod pallet {
             if old_deposit > id.deposit {
                 let err_amount =
                     T::Currency::unreserve(&who, old_deposit.saturating_sub(id.deposit));
-                debug_assert!(err_amount.is_zero());
+                if !err_amount.is_zero() {
+                    return Err(Error::<T>::UnexpectedUnreserveLeftover.into());
+                }
             }
 
             <CommitmentOf<T>>::insert(netuid, &who, id);

pallets/commitments/src/tests.rs

@@ -4,14 +4,17 @@ use sp_std::prelude::*;
 #[cfg(test)]
 use crate::{
     CommitmentInfo, CommitmentOf, Config, Data, Error, Event, MaxSpace, Pallet, RateLimit,
-    RevealedCommitments, TimelockedIndex,
+    Registration, RevealedCommitments, TimelockedIndex,
     mock::{
-        DRAND_QUICKNET_SIG_HEX, RuntimeEvent, RuntimeOrigin, Test, insert_drand_pulse,
+        Balances, DRAND_QUICKNET_SIG_HEX, RuntimeEvent, RuntimeOrigin, Test, insert_drand_pulse,
         new_test_ext, produce_ciphertext,
     },
 };
 use frame_support::pallet_prelude::Hooks;
-use frame_support::{BoundedVec, assert_noop, assert_ok, traits::Get};
+use frame_support::{
+    BoundedVec, assert_noop, assert_ok,
+    traits::{Currency, Get, ReservableCurrency},
+};
 use frame_system::Pallet as System;
 
 #[allow(clippy::indexing_slicing)]
@@ -1220,3 +1223,42 @@ fn on_initialize_reveals_matured_timelocks() {
         }
     });
 }
+
+#[test]
+fn set_commitment_unreserve_leftover_fails() {
+    new_test_ext().execute_with(|| {
+        use frame_system::RawOrigin;
+
+        let netuid = 999;
+        let who = 99;
+
+        Balances::make_free_balance_be(&who, 10_000);
+
+        let fake_deposit = 100;
+        let dummy_info = CommitmentInfo {
+            fields: BoundedVec::try_from(vec![]).expect("empty fields is fine"),
+        };
+        let registration = Registration {
+            deposit: fake_deposit,
+            info: dummy_info,
+            block: 0u64.into(),
+        };
+
+        CommitmentOf::<Test>::insert(netuid, who, registration);
+
+        assert_ok!(Balances::reserve(&who, fake_deposit));
+        assert_eq!(Balances::reserved_balance(who), 100);
+
+        Balances::unreserve(&who, 10_000);
+        assert_eq!(Balances::reserved_balance(who), 0);
+
+        let commit_small = Box::new(CommitmentInfo {
+            fields: BoundedVec::try_from(vec![]).expect("no fields is fine"),
+        });
+
+        assert_noop!(
+            Pallet::<Test>::set_commitment(RawOrigin::Signed(who).into(), netuid, commit_small),
+            Error::<Test>::UnexpectedUnreserveLeftover
+        );
+    });
+}

pallets/subtensor/src/macros/events.rs

@@ -14,9 +14,9 @@ mod events {
         /// a network is removed.
         NetworkRemoved(u16),
         /// stake has been transferred from the a coldkey account onto the hotkey staking account.
-        StakeAdded(T::AccountId, T::AccountId, u64, u64, u16),
+        StakeAdded(T::AccountId, T::AccountId, u64, u64, u16, u64),
         /// stake has been removed from the hotkey staking account onto the coldkey account.
-        StakeRemoved(T::AccountId, T::AccountId, u64, u64, u16),
+        StakeRemoved(T::AccountId, T::AccountId, u64, u64, u16, u64),
         /// stake has been moved from origin (hotkey, subnet ID) to destination (hotkey, subnet ID) of this amount (in TAO).
         StakeMoved(T::AccountId, T::AccountId, u16, T::AccountId, u16, u64),
         /// a caller successfully sets their weights on a subnetwork.

pallets/subtensor/src/staking/stake_utils.rs

@@ -794,14 +794,16 @@ impl<T: Config> Pallet<T> {
             tao_unstaked,
             actual_alpha_decrease,
             netuid,
+            actual_fee,
         ));
         log::debug!(
-            "StakeRemoved( coldkey: {:?}, hotkey:{:?}, tao: {:?}, alpha:{:?}, netuid: {:?} )",
+            "StakeRemoved( coldkey: {:?}, hotkey:{:?}, tao: {:?}, alpha:{:?}, netuid: {:?}, fee: {:?} )",
             coldkey.clone(),
             hotkey.clone(),
             tao_unstaked,
             actual_alpha_decrease,
-            netuid
+            netuid,
+            actual_fee
         );
 
         // Step 6: Return the amount of TAO unstaked.
@@ -857,14 +859,16 @@ impl<T: Config> Pallet<T> {
             tao_staked,
             actual_alpha,
             netuid,
+            actual_fee,
         ));
         log::debug!(
-            "StakeAdded( coldkey: {:?}, hotkey:{:?}, tao: {:?}, alpha:{:?}, netuid: {:?} )",
+            "StakeAdded( coldkey: {:?}, hotkey:{:?}, tao: {:?}, alpha:{:?}, netuid: {:?}, fee: {:?} )",
             coldkey.clone(),
             hotkey.clone(),
             tao_staked,
             actual_alpha,
-            netuid
+            netuid,
+            actual_fee
         );
 
         // Step 7: Return the amount of alpha staked

pallets/subtensor/src/subnets/subnet.rs

@@ -239,7 +239,7 @@ impl<T: Config> Pallet<T> {
             netuid_to_register,
             mechid
         );
-        Self::deposit_event(Event::NetworkAdded(netuid_to_register, 0));
+        Self::deposit_event(Event::NetworkAdded(netuid_to_register, mechid));
 
         // --- 17. Return success.
         Ok(())
@@ -272,7 +272,6 @@ impl<T: Config> Pallet<T> {
         Self::set_target_registrations_per_interval(netuid, 1);
         Self::set_adjustment_alpha(netuid, 17_893_341_751_498_265_066); // 18_446_744_073_709_551_615 * 0.97 = 17_893_341_751_498_265_066
         Self::set_immunity_period(netuid, 5000);
-        Self::set_min_burn(netuid, 1);
         Self::set_min_difficulty(netuid, u64::MAX);
         Self::set_max_difficulty(netuid, u64::MAX);
 

pallets/subtensor/src/tests/mock.rs

@@ -152,7 +152,7 @@ parameter_types! {
     pub const InitialTxDelegateTakeRateLimit: u64 = 1; // 1 block take rate limit for testing
     pub const InitialTxChildKeyTakeRateLimit: u64 = 1; // 1 block take rate limit for testing
     pub const InitialBurn: u64 = 0;
-    pub const InitialMinBurn: u64 = 0;
+    pub const InitialMinBurn: u64 = 500_000;
     pub const InitialMaxBurn: u64 = 1_000_000_000;
     pub const InitialValidatorPruneLen: u64 = 0;
     pub const InitialScalingLawPower: u16 = 50;

pallets/subtensor/src/tests/registration.rs

@@ -1,5 +1,6 @@
 #![allow(clippy::unwrap_used)]
 
+use approx::assert_abs_diff_eq;
 use frame_support::traits::Currency;
 
 use super::mock::*;
@@ -535,11 +536,11 @@ fn test_burn_adjustment() {
     new_test_ext(1).execute_with(|| {
         let netuid: u16 = 1;
         let tempo: u16 = 13;
-        let burn_cost: u64 = 1000;
+        let init_burn_cost: u64 = InitialMinBurn::get() + 10_000;
         let adjustment_interval = 1;
         let target_registrations_per_interval = 1;
         add_network(netuid, tempo, 0);
-        SubtensorModule::set_burn(netuid, burn_cost);
+        SubtensorModule::set_burn(netuid, init_burn_cost);
         SubtensorModule::set_adjustment_interval(netuid, adjustment_interval);
         SubtensorModule::set_adjustment_alpha(netuid, 58000); // Set to old value.
         SubtensorModule::set_target_registrations_per_interval(
@@ -550,7 +551,7 @@ fn test_burn_adjustment() {
         // Register key 1.
         let hotkey_account_id_1 = U256::from(1);
         let coldkey_account_id_1 = U256::from(1);
-        SubtensorModule::add_balance_to_coldkey_account(&coldkey_account_id_1, 10000);
+        SubtensorModule::add_balance_to_coldkey_account(&coldkey_account_id_1, init_burn_cost);
         assert_ok!(SubtensorModule::burned_register(
             <<Test as Config>::RuntimeOrigin>::signed(hotkey_account_id_1),
             netuid,
@@ -560,7 +561,7 @@ fn test_burn_adjustment() {
         // Register key 2.
         let hotkey_account_id_2 = U256::from(2);
         let coldkey_account_id_2 = U256::from(2);
-        SubtensorModule::add_balance_to_coldkey_account(&coldkey_account_id_2, 10000);
+        SubtensorModule::add_balance_to_coldkey_account(&coldkey_account_id_2, init_burn_cost);
         assert_ok!(SubtensorModule::burned_register(
             <<Test as Config>::RuntimeOrigin>::signed(hotkey_account_id_2),
             netuid,
@@ -571,8 +572,13 @@ fn test_burn_adjustment() {
         // Step the block and trigger the adjustment.
         step_block(1);
 
-        // Check the adjusted burn.
-        assert_eq!(SubtensorModule::get_burn_as_u64(netuid), 1500);
+        // Check the adjusted burn is above the initial min burn.
+        assert!(SubtensorModule::get_burn_as_u64(netuid) > init_burn_cost);
+        assert_abs_diff_eq!(
+            SubtensorModule::get_burn_as_u64(netuid),
+            init_burn_cost.saturating_mul(3).saturating_div(2), // 1.5x
+            epsilon = 1000
+        );
     });
 }
 

pallets/subtensor/src/tests/subnet.rs

@@ -222,3 +222,40 @@ fn test_do_start_call_ok_with_same_block_number_after_coinbase() {
         }
     });
 }
+
+#[test]
+fn test_register_network_min_burn_at_default() {
+    new_test_ext(1).execute_with(|| {
+        let sn_owner_coldkey = U256::from(0);
+        let sn_owner_hotkey = U256::from(1);
+        let cost = SubtensorModule::get_network_lock_cost();
+
+        // Give coldkey enough for lock
+        SubtensorModule::add_balance_to_coldkey_account(&sn_owner_coldkey, cost + 10_000_000_000);
+
+        // Register network
+        assert_ok!(SubtensorModule::register_network(
+            <<Test as Config>::RuntimeOrigin>::signed(sn_owner_coldkey),
+            sn_owner_hotkey
+        ));
+        // Get last events
+        let events = System::events();
+        let min_burn_event = events
+            .iter()
+            .filter(|event| {
+                matches!(
+                    event.event,
+                    RuntimeEvent::SubtensorModule(Event::<Test>::NetworkAdded(..))
+                )
+            })
+            .last();
+
+        let netuid = match min_burn_event.map(|event| event.event.clone()) {
+            Some(RuntimeEvent::SubtensorModule(Event::<Test>::NetworkAdded(netuid, _))) => netuid,
+            _ => panic!("Expected NetworkAdded event"),
+        };
+
+        // Check min burn is set to default
+        assert_eq!(MinBurn::<Test>::get(netuid), InitialMinBurn::get());
+    });
+}

runtime/src/lib.rs

@@ -207,7 +207,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
     //   `spec_version`, and `authoring_version` are the same between Wasm and native.
     // This value is set to 100 to notify Polkadot-JS App (https://polkadot.js.org/apps) to use
     //   the compatible custom types.
-    spec_version: 255,
+    spec_version: 256,
     impl_version: 1,
     apis: RUNTIME_API_VERSIONS,
     transaction_version: 1,